1. Introduktion
This manual provides essential information for the proper use and maintenance of the Generac 5664 Air-Cooled Home Standby Generator Maintenance Kit. Regular maintenance is crucial for ensuring the optimal performance and longevity of your Generac air-cooled standby generator.
Scheduled maintenance is recommended at every 200 hours of operation or every 2 years, whichever comes first. In environments with high dust levels, more frequent maintenance may be necessary.
2. Kompatibilitet
The Generac 5664 Maintenance Kit is specifically designed for Generac air-cooled standby generators with a power output of 13kW to 17kW. It is compatible with generators equipped with 760cc or 990cc Generac OHVI engines, manufactured between 2008 and 2012.
Before performing maintenance, verify your generator's model and engine specifications to ensure compatibility with this kit.
3. Kitets indhold
The Generac 5664 Maintenance Kit includes the following components necessary for a complete maintenance service:
- Luftfilter
- Oliefilter
- Spark Plugs (Quantity: 2)
- Oil Funnel (Paper)
- Chamois/Wipe Cloth
- Instruktionsmanual (dette dokument)
- Maintenance Reminder Sticker

Image 1: Contents of the Generac 5664 Maintenance Kit, including air filter, oil filter, spark plugs, and other accessories.
Important Note: Engine oil is not included in this kit and must be purchased separately. Refer to your generator's owner's manual for the recommended oil type and capacity.
4. Vedligeholdelsesprocedurer
The following procedures outline the steps for performing routine maintenance using the Generac 5664 Maintenance Kit. Always ensure the generator is turned off, cooled down, and disconnected from any power source before beginning maintenance.
4.1. Olieskift
- Locate the oil drain plug on your generator's engine.
- Place a suitable container beneath the drain plug to collect used oil.
- Remove the drain plug and allow all old oil to drain completely.
- Replace the drain plug and tighten it securely.
- Remove the old oil filter (see Section 4.2 for details).
- Using the provided oil funnel, add the recommended type and amount of new engine oil. Refer to your generator's manual for exact specifications.
- Check the oil level using the dipstick and adjust as necessary.
- Properly dispose of used oil and the old oil filter according to local regulations.
4.2. Oil Filter Replacement
- After draining the old oil, locate the oil filter.
- Brug en oliefilternøgle til at løsne og fjerne det gamle oliefilter. Vær forberedt på, at der spildes resterende olie.
- Påfør et tyndt lag ny motorolie på gummipakningen på det nye oliefilter.
- Thread the new oil filter onto the engine by hand until the gasket makes contact with the engine block.
- Tighten the filter an additional 1/2 to 3/4 turn by hand. Do not overtighten.
4.3. Udskiftning af luftfilter
- Find luftfilterhuset på din generator.
- Open the air filter housing cover.
- Remove the old air filter. Note its orientation.
- Sæt det nye luftfilter i fra sættet, og sørg for, at det sidder korrekt.
- Luk og fastgør luftfilterhusets dæksel.
4.4. Udskiftning af tændrør
- Locate the spark plug wires and carefully disconnect them from the spark plugs.
- Use a spark plug wrench to remove the old spark plugs.
- Inspect the new spark plugs for correct gap. Refer to your generator's manual for the specified gap. Adjust if necessary.
- Skru de nye tændrør ind i motoren i hånden for at forhindre krydsgevindføring.
- Tighten the spark plugs with a wrench. Do not overtighten.
- Reconnect the spark plug wires firmly.
5. Specifikationer
| Feature | Detalje |
|---|---|
| Mærke | Generac |
| Modelnavn | 5664 |
| Compatible Generator Wattage | 13kW - 17kW |
| Compatible Engine Displacement | 760cc / 990cc Generac OHVI engines |
| Compatible Generator Manufacturing Years | 2008 - 2012 |
| Varens vægt | 1.6 pund (ca.) |
| Produktdimensioner | 9 x 9 x 5 tommer (ca.) |
| UPC | 696471056648 |
6. Fejlfinding
This section addresses common issues related to maintenance kit components or the maintenance process itself. For general generator troubleshooting, refer to your generator's primary owner's manual.
6.1. Incorrect Spark Plugs
Some users have reported receiving spark plugs that differ from their generator's original specifications (e.g., RC14YC4 instead of RC12YC). Always verify the correct spark plug type and gap for your specific generator model in its owner's manual before installation. Using incorrect spark plugs can lead to poor engine performance or damage.
6.2. Generator Not Starting After Maintenance
- Tjek oliestand: Ensure the oil level is correct. Too much or too little oil can prevent starting.
- Tændrørskabler: Verify that spark plug wires are securely reconnected.
- Brændstofforsyning: Confirm the generator has adequate fuel and the fuel valve is open.
- Installation af luftfilter: Ensure the air filter is correctly seated and the housing is properly closed.
7. Support
For further assistance, technical support, or to inquire about specific generator models and their maintenance requirements, please contact Generac customer service or visit the official Generac website. Always refer to your generator's specific owner's manual for detailed operational and maintenance instructions.
Generac's official webwebsted: www.generac.com





